#include "csapp.h"

int main()
{
    int fd1,fd2;
    
    fd1=open("foo.txt",O_RDONLY,0);
    fd2=open("foo.txt",O_RDONLY,0);
    close(fd2);
    fd2=open("baz.txt",O_RDONLY,0);
    printf("fd2=%d\n",fd2);
    exit(0);
}
